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Leap second

physical science Maturity 11-13

Sometimes we add one second to our clocks.

Leapsecond2016.png
Leapsecond2016.png
This helps our clocks match the Earth. The Earth does not always spin at the same speed. This extra second keeps our time right. It helps us stay on track. Can you imagine a very long day?
Leapsecond.ut1-utc.svg
Leapsecond.ut1-utc.svg

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🖼️ Images & Media (4)
File:Leapsecond2016.png
Leapsecond2016.png
File:Leapsecond.ut1-utc.svg
Leapsecond.ut1-utc.svg
File:Deviation of day length from SI day.svg
Deviation of day length from SI day.svg
ChronyControl screenshot.webp
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📚 Content adapted from Wikipedia | Readability: FK 13.4 | Vital Level 5